Yuan Longping is an expert on hybrid rice breeding in China and a pioneer in the research and development of hybrid rice in China.

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Yuan Longping is an expert on hybrid rice breeding in China and a pioneer in the research and development of hybrid rice in China.

A.正确

B.错误

正确答案：A

Tag：向世界讲述中国时间：2021-05-19 15:10:15

上一篇：In 2012, Jiaolong manned submersible made a 7000 meter sea trial. Before that, only the US, France and Russia had manned deep submarines in the world.
下一篇：In the spring of 1961, Yuan planted the seeds of the mutant in a pioneering field, proving that the plant, discovered in 1960, was a "natural hybrid rice".